Oracle X7-2 Service Manual page 175

See "Install the Internal HBA Cables" on page
If you did not remove the HBA super capacitor when removing the internal HBA card,
Note -
reconnect the HBA super capacitor cable to the internal HBA card.
Install the super capacitor into the server.
5.
Attach the reclosable fasteners supplied with the replacement super
a.
capacitor to its underside.
b. Connect the super capacitor cable to the super capacitor [1, 2].
Press the super capacitor into the server's chassis so that it is secured to
c.
the existing reclosable fastener [2].
If disconnected during the removal procedure, reconnect the data cable to the disk
Note -
backplane.
6. Connect the SAS cables and the super capacitor cable to the internal HBA card.
Install the Internal HBA Card and HBA Super Capacitor
182.
Servicing the Internal HBA Card and HBA Super Capacitor (FRU) 175